Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE1901126248Dexternal-prioritypatent/DE126248C/de
Application filed by Marie Hanfstaengl Geb SchroedefiledCriticalMarie Hanfstaengl Geb Schroede
Application grantedgrantedCritical
Publication of AT12869BpublicationCriticalpatent/AT12869B/de